EP1814251A4 - Communication method and radio transmitter - Google Patents

Communication method and radio transmitter

Info

Publication number
EP1814251A4
EP1814251A4 EP05799403A EP05799403A EP1814251A4 EP 1814251 A4 EP1814251 A4 EP 1814251A4 EP 05799403 A EP05799403 A EP 05799403A EP 05799403 A EP05799403 A EP 05799403A EP 1814251 A4 EP1814251 A4 EP 1814251A4
Authority
EP
European Patent Office
Prior art keywords
transmission
communication
radio transmitter
subcarrier
allocated
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
EP05799403A
Other languages
German (de)
French (fr)
Other versions
EP1814251A1 (en
Inventor
Yasuhiro Hamaguchi
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Sharp Corp
Original Assignee
Sharp Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=36227936&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP1814251(A4) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Sharp Corp filed Critical Sharp Corp
Priority to EP18165377.5A priority Critical patent/EP3364573B1/en
Priority to EP14161791.0A priority patent/EP2750312B1/en
Publication of EP1814251A1 publication Critical patent/EP1814251A1/en
Publication of EP1814251A4 publication Critical patent/EP1814251A4/en
Withdrawn legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/26—Systems using multi-frequency codes
    • H04L27/2601—Multicarrier modulation systems
    • H04L27/2647—Arrangements specific to the receiver only
    • H04L27/2649—Demodulators
    • H04L27/26524—Fast Fourier transform [FFT] or discrete Fourier transform [DFT] demodulators in combination with other circuits for demodulation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/26—Systems using multi-frequency codes
    • H04L27/2601—Multicarrier modulation systems
    • H04L27/2626—Arrangements specific to the transmitter only
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/26—Systems using multi-frequency codes
    • H04L27/2601—Multicarrier modulation systems
    • H04L27/2626—Arrangements specific to the transmitter only
    • H04L27/2627—Modulators
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/26—Systems using multi-frequency codes
    • H04L27/2601—Multicarrier modulation systems
    • H04L27/2647—Arrangements specific to the receiver only
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/0001—Arrangements for dividing the transmission path
    • H04L5/0003—Two-dimensional division
    • H04L5/0005—Time-frequency
    • H04L5/0007—Time-frequency the frequencies being orthogonal, e.g. OFDM(A), DMT
    • H04L5/001—Time-frequency the frequencies being orthogonal, e.g. OFDM(A), DMT the frequencies being arranged in component carriers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/003—Arrangements for allocating sub-channels of the transmission path
    • H04L5/0037—Inter-user or inter-terminal allocation
    • H04L5/0039—Frequency-contiguous, i.e. with no allocation of frequencies for one user or terminal between the frequencies allocated to another
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/003—Arrangements for allocating sub-channels of the transmission path
    • H04L5/0044—Arrangements for allocating sub-channels of the transmission path allocation of payload
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/003—Arrangements for allocating sub-channels of the transmission path
    • H04L5/0053—Allocation of signaling, i.e. of overhead other than pilot signals
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/02—Channels characterised by the type of signal
    • H04L5/023—Multiplexing of multicarrier modulation signals
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/04—Wireless resource allocation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/04—Wireless resource allocation
    • H04W72/044—Wireless resource allocation based on the type of the allocated resource
    • H04W72/0453—Resources in frequency domain, e.g. a carrier in FDMA
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/04—Wireless resource allocation
    • H04W72/044—Wireless resource allocation based on the type of the allocated resource
    • H04W72/0473—Wireless resource allocation based on the type of the allocated resource the resource being transmission power
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/20—Control channels or signalling for resource management
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W84/00—Network topologies
    • H04W84/02—Hierarchically pre-organised networks, e.g. paging networks, cellular networks, WLAN [Wireless Local Area Network] or WLL [Wireless Local Loop]
    • H04W84/10—Small scale networks; Flat hierarchical networks
    • H04W84/12—WLAN [Wireless Local Area Networks]

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Physics & Mathematics (AREA)
  • Discrete Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Mathematical Physics (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Transmitters (AREA)

Abstract

Radio transmission is performed even to a communication party whose bandwidth that can be used for transmission and reception is limited without having an influence of an offset of a DC component. A radio transmitter applied to an OFDMA communication system in which a plurality of different terminals performs communication using OFDM signals at the same time that includes a mapping part that allocates transmission power to each subcarrier, and also selects a subcarrier to which minimum power of the transmission power to be allocated is allocated and modulates transmission data in units of communication slots to output the modulated data; and a transmission part for transmitting radio signals including the modulated data using each of the subcarriers.
EP05799403A 2004-10-29 2005-10-28 Communication method and radio transmitter Withdrawn EP1814251A4 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
EP18165377.5A EP3364573B1 (en) 2004-10-29 2005-10-28 Communication method and radio transmitter
EP14161791.0A EP2750312B1 (en) 2004-10-29 2005-10-28 Communication method and radio transmitter

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2004317364 2004-10-29
PCT/JP2005/019898 WO2006046696A1 (en) 2004-10-29 2005-10-28 Communication method and radio transmitter

Related Child Applications (2)

Application Number Title Priority Date Filing Date
EP14161791.0A Division EP2750312B1 (en) 2004-10-29 2005-10-28 Communication method and radio transmitter
EP18165377.5A Division EP3364573B1 (en) 2004-10-29 2005-10-28 Communication method and radio transmitter

Publications (2)

Publication Number Publication Date
EP1814251A1 EP1814251A1 (en) 2007-08-01
EP1814251A4 true EP1814251A4 (en) 2012-06-27

Family

ID=36227936

Family Applications (3)

Application Number Title Priority Date Filing Date
EP05799403A Withdrawn EP1814251A4 (en) 2004-10-29 2005-10-28 Communication method and radio transmitter
EP18165377.5A Active EP3364573B1 (en) 2004-10-29 2005-10-28 Communication method and radio transmitter
EP14161791.0A Active EP2750312B1 (en) 2004-10-29 2005-10-28 Communication method and radio transmitter

Family Applications After (2)

Application Number Title Priority Date Filing Date
EP18165377.5A Active EP3364573B1 (en) 2004-10-29 2005-10-28 Communication method and radio transmitter
EP14161791.0A Active EP2750312B1 (en) 2004-10-29 2005-10-28 Communication method and radio transmitter

Country Status (6)

Country Link
US (9) US8488688B2 (en)
EP (3) EP1814251A4 (en)
JP (5) JP4658959B2 (en)
CN (3) CN101048960B (en)
DE (1) DE202005022046U1 (en)
WO (1) WO2006046696A1 (en)

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JP4533833B2 (en) * 2005-10-31 2010-09-01 株式会社東芝 Wireless communication apparatus and signal-subcarrier allocation method in synchronization symbol
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US8699319B2 (en) * 2007-08-13 2014-04-15 Sharp Kabushiki Kaisha Base station device, reception device, wireless communication system, and wireless communication method
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